How to Export Email from Thunderbird to Outlook using Best Methods

Summary: Are there any Thunderbird email export options? is a popular question among users. You have come to the right blog if you were also looking for the same thing. The best ways to export Thunderbird to Outlook are covered in this article. Here is a simple manual method for exporting Thunderbird emails to Outlook. We have also added a specialist tool called MBOX Migrator tool. Download Now   Download Now

Thunderbird is an open-source or cross-platform email client developed by the Mozilla Foundation. Thunderbird is available for Windows, Mac, and Linux users, and it can also manage groups of email accounts. It saves emails, attachments, and other data on the local machine or system. Furthermore, it provides a wide range of features such as multiple platforms, open-source, server address, and so on. As a result of these exceptional features, users prefer Thunderbird email clients.

However, we all know that a coin has two sides. Thunderbird also has a few consequences that cause users to export Thunderbird emails. Mozilla Corporation has stopped developing Thunderbird email clients for the past 8 years. They now only release updates for maintenance and security reasons. Thunderbird’s most recent update is 91.4.0 / December 7, 2021. Furthermore, the most important part of this blog is How to export Thunderbird emails to Outlook? Users should keep an eye on this article in this regard. It will show you how to export emails from Thunderbird to Microsoft Outlook.

How to Export Thunderbird Emails to Outlook

You may find the practically tested approach to export email from Thunderbird to Outlook in the entire article. You can use any of the following techniques to carry out the task.

Method 1: Export Thunderbird to Outlook via Gmail Email Client

In this method, you can use your Gmail account to export emails from Thunderbird to Microsoft Outlook. For this, users have to perform 4 different steps to execute the whole process of importing Thunderbird emails to MS Outlook.

  • 1: Firstly, Enable IMAP in Gmail Account
  • 2: Open Thunderbird and Add IMAP Enabled Gmail Account
  • 3: Copy Thunderbird Emails Mailbox Items to Gmail Account Account.
  • 4: Sign In to Outlook using Gmail IMAP Account

Step 1: Enable IMAP in your Gmail Account

  • Sign In to your Gmail Account and click on the Gear icon from the right side of the Gmail wizard.
  • Now, click on the See all settings option.
  • Select the tab Forwarding and POP/IMAP from the Settings options.
  • After that, find the IMAP Access section and choose the option Enable IMAP.
  • At last, click on the Save changes button to save the configuration.

Step 2: Open Thunderbird and Add IMAP Enabled Gmail Account

  • Open the Thunderbird application.
  • From the Thunderbird account interface, click the Email option.
  • Now, enter the name, IMAP enabled Gmail credentials, and click on the Continue button.
  • Select the available configuration as IMAP and tap the Done button.
  • After that, you will be redirected to the Gmail sign-in page. Enter the same Gmail id and hit the Next button.
  • Again, enter the Gmail id password and click the Sign In option.
  • If you have enabled the two-step verification in Gmail id, then verify by your phone.
  • Here, Mozilla Thunderbird email will require access. Tap the Allow button.
  • At last, you can view the notification-Account created successfully.

Step 3: Copy Thunderbird Emails Mailbox Items to Gmail Account

  • From the Thunderbird email client, right-click on the added Gmail id and select New folder.
  • Name the folder and click on Create folder.
  • After that, you can view the newly created folder in the added Gmail account. Again click on the Inbox folder of Thunderbird id and select all emails. After that, right-click and select Copy to>>(select your Gmail id)>>newly created folder.
  • At last, you can view the Thunderbird Inbox emails in the newly created folder in the added Gmail account.

Step 4: Launch Outlook and Add IMAP Enabled Gmail Account

  • Open Outlook and click on the File tab.
  • After that, click on the Account setting>>Account setting….
  • From the account setting panel, click on the New button.
  • Enter the IMAP-enabled Gmail id. Also, click on the Advanced option and check Let’s set up my account manually. After that, tap the Connect button.
  • Now, choose the IMAP from the displayed wizard.
  • Here, you can view the status of the account added successfully. Tap done.

The methods from 1 to 4 above can be used by users to export emails from Mozilla Thunderbird to Outlook. The process is difficult and time-consuming, though. Depending on the process, it’s likely that part of the data will be lost. Furthermore, the most cutting-edge software with self-descriptive & easy to follow instructions can be used to convert Thunderbird emails to Outlook PST format.

Method 2: Professional Utility to Convert Thunderbird to Outlook

MBOX Migrator is the most trusted and reliable utility for exporting Thunderbird emails to Outlook importable format. Users can use this tool to convert MBOX files to MSG, PDF, PST, EML, and a variety of other file formats. Users can also export Thunderbird emails to Outlook, Office 365, Gmail, Yahoo Mail, IMAP, GoDaddy, and a variety of other Webmail/Cloud email services using the software.

Follow the Steps to Export Email from Thunderbird to Outlook

  • Install and Run the MBOX Converter as Administrator.
  • Select the MBOX file by tapping the Browse button.
  • Now, check the folder from the displayed tree structure.
  • Choose the saving format as PST from the drop-down.
  • Opt for other inbuilt features of the tool.
  • Click on the Path to save button and select the saving location.
  • At last, tap the Convert button to initiate the conversion process.
  • Within a moment, the conversion will get completed and the resultant file will be saved at the chosen location.


In this descriptive blog, the users will find two different methods to export Thunderbird to Outlook. Besides, one of them is the manual method. Also, It is categorized into four different steps. Also, it requires technical expertise with the appropriate concentration. So, to make the task easier, users can use the expert’s advice professional utility that helps to export Thunderbird email to Outlook importable PST format.

Frequently Asked Questions

Q. How do I export emails from Thunderbird to Outlook 365?

Ans – If you want to export emails from Thunderbird to O365, you can use the Thunderbird Converter Tool, which exports all emails from Thunderbird to Outlook 365 without any data loss.
Follow the steps below to export Thunderbird emails to Outlook 365:-
1. Downloads and launches the Thunderbird Email Converter Tool.
2. Select Thunderbird Mailboxes and press the Next button.
3. Select the “Save As” Office 365 options from the drop-down list.
4. Enter your Office 365 user ID and password, then click the Login button.
5. Now, click the Convert button to export Thunderbird emails to Outlook 365.

Q. How Do I Export Mail from Thunderbird to PST Format?

Ans – To export Thunderbird emails to a PST file, follow these steps:
Step 1: Launch Thunderbird Email Converter Software.
Step 2: Select a file from your Thunderbird Email Account.
Step 3: From Thunderbird, select the necessary folders.
Step 4: Select the PST saving option.
Step 5: Click the Convert button to export Thunderbird to Outlook.

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About The Author:

Mithilesh Tata is a technical expert who has assisted thousands of clients with Microsoft Outlook and other cloud-based email clients. He enjoys writing on email clients backup as well as email migration. He is always excited about giving troubled readers the most up-to-date knowledge, explanation, and user-friendly solutions.

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